package com.zwz.eduservice.controller;

import com.baomidou.mybatisplus.core.conditions.query.QueryWrapper;
import com.baomidou.mybatisplus.extension.plugins.pagination.Page;
import com.zwz.commonutils.R;
import com.zwz.eduservice.entity.EduTeacher;
import com.zwz.eduservice.entity.vo.TeacherQuery;
import com.zwz.eduservice.service.EduTeacherService;
import com.zwz.servicebase.exceptionhandler.GuliException;
import io.swagger.annotations.Api;
import io.swagger.annotations.ApiOperation;
import io.swagger.annotations.ApiParam;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.util.StringUtils;
import org.springframework.web.bind.annotation.*;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * <p>
 * 讲师 前端控制器
 * </p>
 *
 * @author testjava
 * @since 2020-12-27
 */
@Api(description="讲师管理")
@RestController
@RequestMapping("/eduService/teacher")
//@CrossOrigin
public class EduTeacherController {

    @Autowired
    private EduTeacherService eduTeacherService;

    @ApiOperation(value = "所有讲师列表")
    @GetMapping("findAll")
    public R fillAllTeacher(){
        List<EduTeacher> list = eduTeacherService.list(null);
        return R.ok().data("items",list);
    }

    @ApiOperation(value = "逻辑删除讲师")
    @DeleteMapping("{id}")
    public R removeTeacher(@ApiParam(name = "id", value = "讲师ID", required = true)
                                     @PathVariable String id){
        boolean flag = eduTeacherService.removeById(id);
        if (flag){
            return R.ok();
        }else {
            return R.error();
        }
    }

    @ApiOperation(value = "分页查询讲师")
    @GetMapping("pageTeacher/{current}/{limit}")
    public R pageListTeacher(@PathVariable long current,
                             @PathVariable long limit){
        Page<EduTeacher> pageTeacher = new Page<>(current,limit);
        try {
            int i = 10/0;
        }catch(Exception e) {
            //执行自定义异常
            throw new GuliException(20001,"执行了自定义异常处理....");
        }
        eduTeacherService.page(pageTeacher,null);
        long total = pageTeacher.getTotal();
        List<EduTeacher> records = pageTeacher.getRecords();
//        Map map = new HashMap();
//        map.put("total",total);
//        map.put("rows",records);
//        return R.ok().data(map);
        return R.ok().data("total",total).data("rows",records);
    }

    @ApiOperation(value = "带条件分页查询讲师")
    @PostMapping("pageTeacherCondition/{current}/{limit}")
    public R pageTeacherCondition(@PathVariable long current,
                                  @PathVariable long limit,
                                  @RequestBody(required = false) TeacherQuery teacherQuery) {
        Page<EduTeacher> pageTeacher = new Page<>(current, limit);
        //构建条件
        QueryWrapper<EduTeacher> wrapper = new QueryWrapper<>();
        String name = teacherQuery.getName();
        Integer level = teacherQuery.getLevel();
        String begin = teacherQuery.getBegin();
        String end = teacherQuery.getEnd();
        if (!StringUtils.isEmpty(name)) {
            wrapper.like("name", name);
        }
        if (!StringUtils.isEmpty(level)) {
            wrapper.eq("level", level);
        }
        if (!StringUtils.isEmpty(begin)) {
            wrapper.ge("gmt_create", begin);
        }
        if (!StringUtils.isEmpty(end)) {
            wrapper.le("gmt_create", end);
        }
        wrapper.orderByDesc("gmt_create");
        eduTeacherService.page(pageTeacher, wrapper);
        long total = pageTeacher.getTotal();
        List<EduTeacher> records = pageTeacher.getRecords();
        return R.ok().data("total", total).data("rows", records);
    }

    //添加讲师接口的方法
    @ApiOperation(value = "添加讲师")
    @PostMapping("addTeacher")
    public R addTeacher(@RequestBody EduTeacher eduTeacher) {
        boolean save = eduTeacherService.save(eduTeacher);
        if(save) {
            return R.ok();
        } else {
            return R.error();
        }
    }

    //根据讲师id进行查询
    @ApiOperation(value = "id查询讲师")
    @GetMapping("getTeacher/{id}")
    public R getTeacher(@PathVariable String id) {
        EduTeacher eduTeacher = eduTeacherService.getById(id);
        return R.ok().data("teacher",eduTeacher);
    }

    //讲师修改功能
    @ApiOperation(value = "修改讲师")
    @PostMapping("updateTeacher")
    public R updateTeacher(@RequestBody EduTeacher eduTeacher) {
        boolean flag = eduTeacherService.updateById(eduTeacher);
        if(flag) {
            return R.ok();
        } else {
            return R.error();
        }
    }
}

